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  2. Join-based tree algorithms - Wikipedia

    en.wikipedia.org/wiki/Join-based_tree_algorithms

    Under this framework, the join operation captures all balancing criteria of different balancing schemes, and all other functions join have generic implementation across different balancing schemes. The join-based algorithms can be applied to at least four balancing schemes: AVL trees, red–black trees, weight-balanced trees and treaps.

  3. Row and column spaces - Wikipedia

    en.wikipedia.org/wiki/Row_and_column_spaces

    The column space of a matrix is the image or range of the corresponding matrix transformation. Let be a field. The column space of an m × n matrix with components from is a linear subspace of the m-space. The dimension of the column space is called the rank of the matrix and is at most min(m, n). [1]

  4. Density functional theory - Wikipedia

    en.wikipedia.org/wiki/Density_functional_theory

    Notes. The one-to-one correspondence between electron density and single-particle potential is not so smooth. It contains kinds of non-analytic structure. E s [n] contains kinds of singularities, cuts and branches. This may indicate a limitation of our hope for representing exchange–correlation functional in a simple analytic form.

  5. Root-finding algorithm - Wikipedia

    en.wikipedia.org/wiki/Root-finding_algorithm

    The simplest root-finding algorithm is the bisection method.Let f be a continuous function for which one knows an interval [a, b] such that f(a) and f(b) have opposite signs (a bracket).

  6. Logarithm - Wikipedia

    en.wikipedia.org/wiki/Logarithm

    In mathematics, the logarithm of a number is the exponent by which another fixed value, the base, must be raised to produce that number.For example, the logarithm of 1000 to base 10 is 3, because 1000 is 10 to the 3 rd power: 1000 = 10 3 = 10 × 10 × 10.

  7. Wikipedia:Bots/Requests for approval - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Bots/Requests...

    The omissions for Swan Hill Guardian are primarily because I wanted an example of a minimally completed source, to demonstrate the tools range. (The Daily Telegraph actually uses both) The process I was planning was standard WP:CONSENSUS , with the requirement that consensus be obtained prior to changing the primary configuration file.